Chopping onions makes you cry because when you cut into an onion you break its cells. this releases sulfenic acids, which lead to the production of a powerful gas called propanethiol sulfur oxide. when this gas reaches your eyes, it reacts with the water in your tears to produce sulfuric acid.

What energy conversion occurs when a sling shot is used to shoot a rock across the room? (2 points) question 2 options: 1) stored mechanical energy is converted to mechanical energy. 2) stored mechanical energy is converted to radiant energy. 3) gravitational energy is converted to radiant energy. 4) gravitational energy is converted to mechanical energy.